Mitsubishi Electric QJ71C24N User Manual page 349

11 TROUBLESHOOTING
Error code
Error
(Hexa-
decimal)
There is an error in the designation of the user frame
number.
7FE1
H
There is an error in the designation of the output head
pointer.
Modern
There is an error in the designation of the output frame
7FE2
function
H
number.
error
There is an error in the designation of the number of
7FE3
H
registered data bytes.
7FE4 There is an error in the data for connection.
H
There is an error in the designation of the no-
7FE5
H
communication interval time.
The number of remote password mismatch exceeded
7FE8
H
the value designated at the address 200D
Callback denial exceeded the value designated at the
7FE9
H
address 2002
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Error Contents
H
H
1 Take corrective action in the following procedure.
1) Check whether the Q series C24, power supply module and CPU module are
mounted correctly on the base unit.
2) Check whether the operating environment of the Q series C24 is within the
general specifications range of the CPU module.
3) Check whether the power supply capacity is sufficient or not.
4) Check whether the hardware of the Q series C24, CPU module and base unit
are normal according to the manuals of the corresponding modules.
If any module is faulty, please contact your local Mitsubishi service center or
representative for repair.
5) If the problem cannot be solved through the above steps, please consult your
local Mitsubishi service center or representative, explaining a detailed
description of the problem.
Signal
name
 Recheck the user frame number.
 Designate the registered user frame
number.
 Register the designated data for
initialization.
 Designate the output head pointer in
the range of 1 to 100.
 Designate the position (n-th position)
where the data for initialization number
is designated.
 Designate the data for initialization
number at the designated position
(n-th position).
Designate a registered data for
initialization number within the range of
CHn
the designated number of outputs from
ERR.
the location of the output head pointer.
 Designate the data for initialization in
the range of 1 to 78.
 Designate 80 for the data for
connection.
 Recheck the message length of the
message for notification.
 Designate the no-communication
interval time in the range of 0 to 120.
 Clear the Accumulated count of unlock
process abnormal completion
.
processing (address: 22FC
 Clear the callback denial accumulated
count (address: 22F1
MELSEC-Q
Corrective action
) to 0.
H
) to 0.
H
Reference section
Section 3.4.3
Section 3.4.4
Section 3.4.5
Section 3.4.5
Section 3.4.3
Section 3.4.4
Section 3.4.4
Section 3.3.6
Section 3.3.3
Section 3.3.4
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